A novel coumarin-based fluorescence chemosensor containing l -histidine for aluminium( iii ) ions in aqueous solution

A coumarin-based “Turn-on” fluorescence chemosensor 1 containing l -histidine for Al 3+ was readily synthesized and investigated, which showed high selectivity and remarkable sensitivity to aluminium( iii ) ions based on a photo-induced electron-transfer (PET) mechanism in aqueous solution (Tris–HCl...

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Bibliographic Details
Published in:Analytical methods 2015-01, Vol.7 (15), p.6133-6138
Main Authors: Yan, Li-Qiang, Ma, Yun, Cui, Mei-Fang, Qi, Zheng-Jian
Format: Article
Language:English
Subjects:
Aqueous solutions
Chemoreceptors
Fluorescence
Mathematical analysis
Selectivity
Sensors
Stoichiometry
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Summary:A coumarin-based “Turn-on” fluorescence chemosensor 1 containing l -histidine for Al 3+ was readily synthesized and investigated, which showed high selectivity and remarkable sensitivity to aluminium( iii ) ions based on a photo-induced electron-transfer (PET) mechanism in aqueous solution (Tris–HCl, 0.1 mM, pH 7.2). The sensor responded rapidly to Al 3+ in aqueous solutions with a 1 : 1 stoichiometry. Meanwhile, it showed excellent adaptability and also responsiveness.
ISSN:1759-9660
1759-9679
DOI:10.1039/C5AY01466B